- "Suncatcher" (1990)
- "The Eyes of Dawn" (1993)
- "Den sidste tempelridder" (1995)
- "Kat" (1996)
- "Vortex" (1998)
- "Templarernes skat" (2000)
- "Det syvende sværd" (2002)
- "Hemmeligheden bag Rennes-le-Château" (2004)
- "The Assassin's Secret" (2006)
- "Skyggernes hus" (2008)
- "Salomons tempel" (2010)
- "Pagtens Ark" (2012)
- "The Spear of Destiny" (2014)
- "Den hellige gral" (2016)
Faglitteratur:
- "Den rigtige Da Vinci-kode" (2005)
- "The Templar Code:The Secret History of the Knights Templar" (2006)
- "De gnostiske evangelier:Kristendommens forsvundne tekster" (2007)
- "Frimureriets hemmelige historie" (2009)
- "The Illuminati:The Secret Society That Hijacked the World" (2011)
- "The Brotherhood of the Snake:The Secret Origins of the Illuminati" (2013)
- "The New World Order:The Secret Plan to Control the World" (2015)